In 2022, EPA approved the use of mandestrobin on lettuce for protection against lettuce drop.
Tag: 2023
Nomination Period Now Open for 2023 Food Use Workshop
Watch the new video and submit your nominations.
People of IR-4: Bronson Hung
Learn more about this gregarious Western Region Lab Analyst.
New IR-4 Video Shows How to Complete a Project Clearance Request
We invite stakeholders to learn more and get involved in our research cycle.
SOAR Award Nomination Period Now Open
Join us in honoring our external partners through the SOAR award.
IR-4 Hosts Borlaug Fellowship for International MRL Capacity Building
Fellows from four countries visited IR-4 in May to learn about MRL harmonization through a USDA-FAS program.
People of IR-4: Allison Robinson
Learn more about this excellent North Central Region FRD.
IR-4 Petition Yields First Conventional Pesticide Tolerance for Hemp
Ethalfluralin has been approved by EPA for use on hemp seed; this is the first conventional pest management option for hemp growers.
The IR-4 Project Inducts Bernard Zandstra into Hall of Fame
Congratulations on this well-deserved recognition, Bernie!
IR-4 Aids in Expanded Fungicide Label for Ginseng Growers
Isofetamid is now an option for rusty root disease management on ginseng. Learn about IR-4’s work securing this new use through EPA.